/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1269.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 21:40:09,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 21:40:09,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 21:40:09,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 21:40:09,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 21:40:09,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 21:40:09,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 21:40:09,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 21:40:09,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 21:40:09,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 21:40:09,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 21:40:09,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 21:40:09,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 21:40:09,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 21:40:09,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 21:40:09,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 21:40:09,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 21:40:09,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 21:40:09,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 21:40:09,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 21:40:09,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 21:40:09,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 21:40:09,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 21:40:09,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 21:40:09,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 21:40:09,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 21:40:09,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 21:40:09,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 21:40:09,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 21:40:09,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 21:40:09,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 21:40:09,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 21:40:09,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 21:40:09,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 21:40:09,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 21:40:09,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 21:40:09,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 21:40:09,593 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 21:40:09,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 21:40:09,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 21:40:09,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:40:09,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 21:40:09,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 21:40:09,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 21:40:09,597 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 21:40:09,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 21:40:09,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 21:40:09,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 21:40:09,771 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 21:40:09,773 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 21:40:09,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1269.bpl [2022-09-29 21:40:09,774 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1269.bpl' [2022-09-29 21:40:09,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 21:40:09,840 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 21:40:09,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 21:40:09,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 21:40:09,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 21:40:09,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 21:40:09,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 21:40:09,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 21:40:09,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 21:40:09,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/1) ... [2022-09-29 21:40:09,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:40:09,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:40:09,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-29 21:40:09,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-29 21:40:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 21:40:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 21:40:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 21:40:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 21:40:10,011 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 21:40:10,144 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 21:40:10,145 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 21:40:11,018 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 21:40:11,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 21:40:11,039 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 21:40:11,041 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:40:11 BoogieIcfgContainer [2022-09-29 21:40:11,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 21:40:11,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 21:40:11,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 21:40:11,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 21:40:11,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:40:09" (1/2) ... [2022-09-29 21:40:11,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b73bd16 and model type divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 09:40:11, skipping insertion in model container [2022-09-29 21:40:11,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:40:11" (2/2) ... [2022-09-29 21:40:11,047 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1269.bpl [2022-09-29 21:40:11,052 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 21:40:11,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 21:40:11,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 21:40:11,058 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 21:40:11,163 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 21:40:11,221 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:40:11,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:40:11,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:40:11,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:40:11,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-29 21:40:11,246 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:40:11,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:40:11,255 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b86daee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:40:11,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:40:11,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:40:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:40:11,572 INFO L85 PathProgramCache]: Analyzing trace with hash -238531833, now seen corresponding path program 1 times [2022-09-29 21:40:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:40:11,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693211177] [2022-09-29 21:40:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:11,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:40:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:40:12,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:40:12,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693211177] [2022-09-29 21:40:12,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693211177] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:40:12,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:40:12,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 21:40:12,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809821128] [2022-09-29 21:40:12,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:40:12,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 21:40:12,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:40:12,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 21:40:12,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 21:40:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:12,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:40:12,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 239.5) internal successors, (479), 2 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:40:12,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:12,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:12,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 21:40:12,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:40:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:40:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1510122978, now seen corresponding path program 1 times [2022-09-29 21:40:12,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:40:12,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79827106] [2022-09-29 21:40:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:40:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:40:12,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:40:12,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79827106] [2022-09-29 21:40:12,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79827106] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:40:12,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:40:12,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-09-29 21:40:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671712518] [2022-09-29 21:40:12,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:40:12,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-29 21:40:12,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:40:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-29 21:40:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-09-29 21:40:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:12,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:40:12,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 32.11764705882353) internal successors, (546), 18 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:40:12,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:12,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:40:15,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 21:40:15,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:40:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:40:15,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1109064598, now seen corresponding path program 1 times [2022-09-29 21:40:15,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:40:15,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163988731] [2022-09-29 21:40:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:40:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-09-29 21:40:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:40:18,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163988731] [2022-09-29 21:40:18,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163988731] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:40:18,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:40:18,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-09-29 21:40:18,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188245301] [2022-09-29 21:40:18,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:40:18,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-09-29 21:40:18,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:40:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-09-29 21:40:18,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=4208, Unknown=0, NotChecked=0, Total=4422 [2022-09-29 21:40:18,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:18,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:40:18,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 12.253731343283581) internal successors, (821), 67 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:40:18,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:18,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:40:18,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:40:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-09-29 21:40:35,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-29 21:40:35,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:40:35,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:40:35,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1972357330, now seen corresponding path program 1 times [2022-09-29 21:40:35,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:40:35,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754603916] [2022-09-29 21:40:35,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:40:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-09-29 21:40:37,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:40:37,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754603916] [2022-09-29 21:40:37,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754603916] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:40:37,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:40:37,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-09-29 21:40:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345007364] [2022-09-29 21:40:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:40:37,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-09-29 21:40:37,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:40:37,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-09-29 21:40:37,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3592, Unknown=0, NotChecked=0, Total=3782 [2022-09-29 21:40:37,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:37,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:40:37,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 13.935483870967742) internal successors, (864), 62 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:40:37,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:37,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:40:37,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-09-29 21:40:37,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:40:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-09-29 21:40:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-09-29 21:40:52,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-29 21:40:52,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:40:52,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:40:52,545 INFO L85 PathProgramCache]: Analyzing trace with hash 632865306, now seen corresponding path program 1 times [2022-09-29 21:40:52,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:40:52,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760463304] [2022-09-29 21:40:52,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:52,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:40:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:40:55,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:40:55,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760463304] [2022-09-29 21:40:55,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760463304] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:40:55,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:40:55,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-09-29 21:40:55,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489665280] [2022-09-29 21:40:55,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:40:55,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-09-29 21:40:55,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:40:55,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-09-29 21:40:55,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-09-29 21:40:55,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:55,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:40:55,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 10.626666666666667) internal successors, (797), 75 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:40:55,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:55,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:40:55,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-09-29 21:40:55,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-09-29 21:40:55,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:41:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:41:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:41:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-09-29 21:41:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-09-29 21:41:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-09-29 21:41:16,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-29 21:41:16,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:41:16,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:41:16,272 INFO L85 PathProgramCache]: Analyzing trace with hash 842791273, now seen corresponding path program 1 times [2022-09-29 21:41:16,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:41:16,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849628674] [2022-09-29 21:41:16,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:41:16,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:41:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:41:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:41:19,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:41:19,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849628674] [2022-09-29 21:41:19,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849628674] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:41:19,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:41:19,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78 [2022-09-29 21:41:19,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249218938] [2022-09-29 21:41:19,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:41:19,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-09-29 21:41:19,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:41:19,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-09-29 21:41:19,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=5755, Unknown=0, NotChecked=0, Total=6006 [2022-09-29 21:41:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:41:19,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:41:19,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 9.243589743589743) internal successors, (721), 78 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:41:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:41:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-09-29 21:41:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-09-29 21:41:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-09-29 21:41:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-09-29 21:41:19,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:41:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:41:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:41:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-09-29 21:41:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-09-29 21:41:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-09-29 21:41:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-09-29 21:41:49,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-29 21:41:49,144 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:41:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:41:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1175124583, now seen corresponding path program 1 times [2022-09-29 21:41:49,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:41:49,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069324286] [2022-09-29 21:41:49,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:41:49,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:41:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:41:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 236 proven. 182 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-09-29 21:41:53,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:41:53,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069324286] [2022-09-29 21:41:53,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069324286] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:41:53,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133426242] [2022-09-29 21:41:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:41:53,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:41:53,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:41:53,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:41:53,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 21:41:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:41:53,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 3047 conjuncts, 199 conjunts are in the unsatisfiable core [2022-09-29 21:41:53,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:41:54,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 21:41:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:41:54,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-09-29 21:41:54,868 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:41:54,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-29 21:41:55,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-09-29 21:41:56,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-09-29 21:41:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:41:57,170 INFO L356 Elim1Store]: treesize reduction 142, result has 14.5 percent of original size [2022-09-29 21:41:57,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 37 [2022-09-29 21:41:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:41:59,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2022-09-29 21:41:59,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-09-29 21:42:01,474 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:42:01,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2022-09-29 21:42:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 333 proven. 116 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-09-29 21:42:01,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:42:03,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-09-29 21:42:06,771 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~int_#ptr#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-09-29 21:42:06,781 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#p~0#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-09-29 21:42:06,787 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#p~0#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-09-29 21:42:06,796 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-09-29 21:42:07,815 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 21:42:07,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-09-29 21:42:07,820 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int)) (|ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| Int)) (or (let ((.cse0 (select (store (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base| (store (select |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| |c_ULTIMATE.start_write~$Pointer$_#value#1.base|)) |ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (= |ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|))) is different from false [2022-09-29 21:42:08,406 INFO L356 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-09-29 21:42:08,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 46 [2022-09-29 21:42:08,428 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:42:08,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 99 [2022-09-29 21:42:08,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-09-29 21:42:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 154 proven. 295 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-09-29 21:42:09,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133426242] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:42:09,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:42:09,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 61, 50] total 201 [2022-09-29 21:42:09,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667431930] [2022-09-29 21:42:09,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:42:09,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2022-09-29 21:42:09,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:42:09,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2022-09-29 21:42:09,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=37055, Unknown=394, NotChecked=1960, Total=40200 [2022-09-29 21:42:09,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:42:09,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:42:09,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 15.338308457711443) internal successors, (3083), 201 states have internal predecessors, (3083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:42:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:42:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:42:09,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-09-29 21:42:09,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-09-29 21:42:09,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-09-29 21:42:09,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-09-29 21:42:09,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-09-29 21:45:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-09-29 21:45:40,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-29 21:45:40,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-09-29 21:45:40,910 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:45:40,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:45:40,910 INFO L85 PathProgramCache]: Analyzing trace with hash -554918359, now seen corresponding path program 1 times [2022-09-29 21:45:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:45:40,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912374754] [2022-09-29 21:45:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:45:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:45:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:45:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 112 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:45:47,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:45:47,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912374754] [2022-09-29 21:45:47,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912374754] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:45:47,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111032229] [2022-09-29 21:45:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:45:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:45:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:45:47,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:45:47,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 21:45:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:45:47,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 412 conjunts are in the unsatisfiable core [2022-09-29 21:45:47,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:45:48,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 21:45:49,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-29 21:45:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:45:49,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-09-29 21:45:53,734 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:45:53,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-29 21:45:54,603 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-09-29 21:45:54,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 70 [2022-09-29 21:45:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:45:54,610 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-09-29 21:45:54,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 72 [2022-09-29 21:45:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-09-29 21:45:59,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 21:45:59,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111032229] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:45:59,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 21:45:59,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [98] total 167 [2022-09-29 21:45:59,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814732506] [2022-09-29 21:45:59,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:45:59,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-09-29 21:45:59,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:45:59,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-09-29 21:45:59,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=27045, Unknown=0, NotChecked=0, Total=27722 [2022-09-29 21:45:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:45:59,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:45:59,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 12.070422535211268) internal successors, (857), 71 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-09-29 21:45:59,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:47:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:47:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:47:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-09-29 21:47:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-09-29 21:47:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-09-29 21:47:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-09-29 21:47:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2022-09-29 21:47:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-09-29 21:47:16,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-29 21:47:16,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:47:16,602 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:47:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:47:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash 469170911, now seen corresponding path program 1 times [2022-09-29 21:47:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:47:16,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906103046] [2022-09-29 21:47:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:47:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:47:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:47:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 23 proven. 413 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-09-29 21:47:22,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:47:22,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906103046] [2022-09-29 21:47:22,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906103046] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:47:22,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128561339] [2022-09-29 21:47:22,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:47:22,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:47:22,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:47:22,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:47:22,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 21:47:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:47:23,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 3151 conjuncts, 170 conjunts are in the unsatisfiable core [2022-09-29 21:47:23,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:47:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:47:29,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-09-29 21:47:29,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-09-29 21:47:29,778 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-09-29 21:47:29,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2022-09-29 21:47:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:47:30,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:47:30,411 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:30,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 17 [2022-09-29 21:47:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 54 proven. 359 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-09-29 21:47:30,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:47:33,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-09-29 21:47:35,845 INFO L356 Elim1Store]: treesize reduction 13, result has 88.2 percent of original size [2022-09-29 21:47:35,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 112 treesize of output 174 [2022-09-29 21:47:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-09-29 21:47:38,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128561339] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:47:38,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:47:38,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 53, 50] total 191 [2022-09-29 21:47:38,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291062076] [2022-09-29 21:47:38,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:47:38,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-09-29 21:47:38,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:47:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-09-29 21:47:38,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=35233, Unknown=0, NotChecked=0, Total=36290 [2022-09-29 21:47:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:47:38,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:47:38,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 14.397905759162304) internal successors, (2750), 191 states have internal predecessors, (2750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:47:38,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-09-29 21:47:38,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:49:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-09-29 21:49:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2022-09-29 21:49:01,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-29 21:49:01,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:49:01,270 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:49:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:49:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2069531036, now seen corresponding path program 1 times [2022-09-29 21:49:01,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:49:01,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105877110] [2022-09-29 21:49:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:49:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:49:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:49:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 54 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-09-29 21:49:06,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:49:06,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105877110] [2022-09-29 21:49:06,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105877110] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:49:06,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340960055] [2022-09-29 21:49:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:49:06,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:49:06,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:49:06,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:49:06,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 21:49:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:49:07,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 254 conjunts are in the unsatisfiable core [2022-09-29 21:49:07,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:49:08,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 21:49:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:08,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 21:49:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:08,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 21:49:09,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:09,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-09-29 21:49:09,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-29 21:49:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:09,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-09-29 21:49:13,156 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:49:13,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-29 21:49:13,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:13,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:13,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-09-29 21:49:13,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2022-09-29 21:49:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:17,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:49:17,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2022-09-29 21:49:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:49:18,710 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 21:49:18,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 28 [2022-09-29 21:49:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-09-29 21:49:18,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:49:27,467 INFO L356 Elim1Store]: treesize reduction 34, result has 59.0 percent of original size [2022-09-29 21:49:27,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 188 [2022-09-29 21:49:27,500 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:49:27,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 180 treesize of output 221 [2022-09-29 21:49:27,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-09-29 21:50:08,458 WARN L233 SmtUtils]: Spent 39.54s on a formula simplification. DAG size of input: 99 DAG size of output: 91 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:50:10,403 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:50:10,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 1454 treesize of output 2028 Received shutdown request... [2022-09-29 21:53:14,232 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 21:53:14,232 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 21:53:14,239 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 21:53:14,241 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-09-29 21:53:14,243 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 21:53:14,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-29 21:53:14,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-09-29 21:53:14,463 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 955 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. [2022-09-29 21:53:14,467 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-29 21:53:14,469 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 21:53:14,470 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 21:53:14,470 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 21:53:14,472 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 09:53:14 BasicIcfg [2022-09-29 21:53:14,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 21:53:14,472 INFO L158 Benchmark]: Toolchain (without parser) took 784632.59ms. Allocated memory was 189.8MB in the beginning and 792.7MB in the end (delta: 602.9MB). Free memory was 143.4MB in the beginning and 398.8MB in the end (delta: -255.4MB). Peak memory consumption was 682.0MB. Max. memory is 8.0GB. [2022-09-29 21:53:14,473 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 189.8MB. Free memory was 149.6MB in the beginning and 149.4MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 21:53:14,475 INFO L158 Benchmark]: Boogie Preprocessor took 104.12ms. Allocated memory is still 189.8MB. Free memory was 143.3MB in the beginning and 136.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-09-29 21:53:14,475 INFO L158 Benchmark]: RCFGBuilder took 1095.50ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 136.8MB in the beginning and 186.8MB in the end (delta: -50.0MB). Peak memory consumption was 38.2MB. Max. memory is 8.0GB. [2022-09-29 21:53:14,475 INFO L158 Benchmark]: TraceAbstraction took 783429.49ms. Allocated memory was 228.6MB in the beginning and 792.7MB in the end (delta: 564.1MB). Free memory was 186.3MB in the beginning and 398.8MB in the end (delta: -212.5MB). Peak memory consumption was 686.8MB. Max. memory is 8.0GB. [2022-09-29 21:53:14,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26ms. Allocated memory is still 189.8MB. Free memory was 149.6MB in the beginning and 149.4MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 104.12ms. Allocated memory is still 189.8MB. Free memory was 143.3MB in the beginning and 136.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1095.50ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 136.8MB in the beginning and 186.8MB in the end (delta: -50.0MB). Peak memory consumption was 38.2MB. Max. memory is 8.0GB. * TraceAbstraction took 783429.49ms. Allocated memory was 228.6MB in the beginning and 792.7MB in the end (delta: 564.1MB). Free memory was 186.3MB in the beginning and 398.8MB in the end (delta: -212.5MB). Peak memory consumption was 686.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 267, positive: 255, positive conditional: 255, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 255, Positive cache size: 255, Positive conditional cache size: 0, Positive unconditional cache size: 255, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 12, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 897, positive: 869, positive conditional: 869, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 869, Positive cache size: 869, Positive conditional cache size: 0, Positive unconditional cache size: 869, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 40, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2792, positive: 2702, positive conditional: 2702, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2014, Positive cache size: 2014, Positive conditional cache size: 0, Positive unconditional cache size: 2014, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 130, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2983, positive: 2888, positive conditional: 2888, positive unconditional: 0, negative: 95, negative conditional: 95, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2679, Positive cache size: 2678, Positive conditional cache size: 0, Positive unconditional cache size: 2678, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 224, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2547, positive: 2464, positive conditional: 2464, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2809, Positive cache size: 2808, Positive conditional cache size: 0, Positive unconditional cache size: 2808, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 307, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2141, positive: 2070, positive conditional: 2070, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2830, Positive cache size: 2829, Positive conditional cache size: 0, Positive unconditional cache size: 2829, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 378, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4871, positive: 4711, positive conditional: 4711, positive unconditional: 0, negative: 160, negative conditional: 160, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 3045, Positive cache size: 3044, Positive conditional cache size: 0, Positive unconditional cache size: 3044, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 538, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4670, positive: 4516, positive conditional: 4516, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 3083, Positive cache size: 3082, Positive conditional cache size: 0, Positive unconditional cache size: 3082, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 692, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3322, positive: 3217, positive conditional: 3217, positive unconditional: 0, negative: 105, negative conditional: 105, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 3632, Positive cache size: 3629, Positive conditional cache size: 0, Positive unconditional cache size: 3629, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Independence queries for same thread: 795, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10413, positive: 10006, positive conditional: 10006, positive unconditional: 0, negative: 407, negative conditional: 407, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 5738, Positive cache size: 5730, Positive conditional cache size: 0, Positive unconditional cache size: 5730, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 1197, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1269]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 955 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 783.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 456.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1236, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 69.9s InterpolantComputationTime, 11742 NumberOfCodeBlocks, 11742 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 14254 ConstructedInterpolants, 464 QuantifiedInterpolants, 238790 SizeOfPredicates, 325 NumberOfNonLiveVariables, 9095 ConjunctsInSsa, 781 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 2192/3902 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown